Error 18 MIO Not Ready
* The printer is not connected to a LAN when it's expecting to see a LAN. Terminate the port on the printer with a BNC T and two 50 ohm termination's.
* The MIO card is defective or maybe just not seated correctly. Remove the card and reseat it, try swapping with a know good card from another printer. Replace if necessary.
For More Detail
HP Printer Error Code 12
HP Printer Error Code 14
HP Printer Error Code 16
